Home / 167,372.23-230,972.74-90,890.59

Finding the Fourth Proportional to 167,372.23, 230,972.74 and 90,890.59

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Solution

The fourth proportional to 167,372.23, 230,972.74 and 90,890.59 is: 125,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,372.23 : 230,972.74 = 90,890.59 : x
  2. Step 2: Convert to fraction form
    167,372.23/230,972.74 = 90,890.59/x
  3. Step 3: Cross multiply
    167,372.23x = 230,972.74 × 90,890.59
  4. Step 4: Simplify right side
    167,372.23x = 20,993,248,612.52
  5. Step 5: Solve for x
    x = 20,993,248,612.52/167,372.23
  6. Step 6: Final answer
    x = 125,428.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.